Improvement in liquids for galvanic batteries



, To all whom it may concern:

filmed glam pa e can.

Letters than. 107,811, d ted September 27, 1870.

IMPROVEMENT IN LIQUIDS FOR GALVANIC BATTERIES.

The Schedule referred to in these Letters Patent making part of the same.

Be it known that I, Earn, Pmsvosr, of the city, county, and State of New York, have invented a new and impmved Liquid for Electric Batteries; and I do hereby declare the following to he a full, clear, and,

exact description thereof, which will enable those skilled in the art to make and use the same.

This intention relates to'a liquid which is to he used in connection with electric batteries, of any dea constant electric current; for flirty-eight consecutive hours, or more without bein renewed. It is made of bichromatc of potash, dissolved in water, and

i of sulphuric acid, to which may he added, in certain cases, a small quantity of chromic acid.

The proportion in'which I mix the above-named ingredients together is about as follows:

Water, eight hundred grammes; hichromate of potash, fifty grammes; sulphuric acid, fifty grammes;

chromic acid, two grammes.

In constructing a batteiywith'. my liquid, I rise, by preference, an element oi oerbon and t-wo ele-' meals of zinc, the cai'thon element being a fiat plate,

while the zinc elements may be either cylindrical or flat.

bichroluate of o'tash and sul huric acid has been P i P poured into the ar contanung the elements, itis mixed with chromjc'acid, taking about two grammes to one quart of the liquid, and the mixture being well stirred, will act on the elements with a uniform energy for several days, and it will "produce heat as sired construction, and which is capable otproducing well as light withoutinterruptii-m, and without requiring any attention.

What I claim as new, and desire to secure byl'leti ters Patent, is-- A liquid for electricbatteries, made of the ingredients herein set forth, and mixed together in about Witnesses: iADRIEN RABLAT'.

W. HAUEF. v i

After the liquid, prepared as above stated, of water, I 

